SIT8208AI-8F-25E-54.000000T

Frequency Stability:	±10ppm
Current - Supply (Disable) (Max):	31mA
Height - Seated (Max):	0.039" (1.00mm)
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Package / Case:	4-SMD, No Lead
Mounting Type:	Surface Mount
Ratings:	--
Current - Supply (Max):	33mA
Operating Temperature:	-40°C ~ 85°C
Absolute Pull Range (APR):	--
Series:	SiT8208
Voltage - Supply:	2.5V
Output:	LVCMOS, LVTTL
Function:	Enable/Disable
Frequency:	54MHz
Type:	XO (Standard)
Base Resonator:	MEMS
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Oscillators: SIT8208AI-8F-25E-54.000000T application field and working principle

Oscillators are a type of electronic circuit used to generate high-frequency periodic waveforms, which can be used to control electronic circuits. The SIT8208AI-8F-25E-54.000000T oscillator is a two-stage, low-noise, adjustable frequency oscillator with very low phase noise and fast answer.This oscillator is suitable for a wide range of applications, such as military/aerospace, communications (GSM, satellite, UMTS), W-LAN and automotive. Specifically, it has been used in diverse projects to produce RF signals from 7.0 to 8.5 GHz with Sub-Harmonic Suppression of 125 dBc/Hz (0.5 MHz Offset). It is also used in radar and satellite applications such as timing and synchronization circuits, frequency and phase references, code acquisition, and in test and measurement equipment. The frequency of the SIT8208AI-8F-25E-54.000000T oscillator is determined by the crystal resonator which is connected to the oscillator. The duration of the output waveform is set by an external control voltage that influences the current and voltage of the oscillator circuit.The working principle of the SIT8208AI-8F-25E-54.000000T oscillator is based on a two-stage voltage controlled oscillator (VCO) with a high-gain amplifier in the second stage. The difference between the output and input voltage of this high-gain amplifier is used to provide the oscillations. The frequency of the generated signal is determined by the voltage controlled capacitor (VCC) at the input to the amplifier.The first stage of the SIT8208AI-8F-25E-54.000000T oscillator is an amplifier with a low-noise input stage and a high gain. This stage ensures that the signal is amplified with minimal noise. The output of this stage is then fed into the second stage of the oscillator.This second stage is an active filter with a resonant frequency determined by the components of the circuitry. The resonance of this filter gives the oscillator a stable and controllable oscillation frequency determined by the components of the filter.The third stage of the oscillator is a feedback loop that is used to stabilize the frequency of the oscillation. The feedback loop takes the difference between the input and output signal and adjusts the frequency of the oscillation accordingly. This is done by adjusting the capacitance of the VCC or by changing the bias current of the oscillator.The SIT8208AI-8F-25E-54.000000T oscillator is an extremely versatile and reliable device that can be used in a wide range of applications. It has a wide tuning range and low phase noise, making it the perfect choice for many military, aerospace, and other applications.

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